diff options
Diffstat (limited to 'security/smack/smack_lsm.c')
| -rw-r--r-- | security/smack/smack_lsm.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 84b62b5e9e2c..fd20d15f5b9a 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1508,7 +1508,8 @@ static char *smack_host_label(struct sockaddr_in *sip) if (siap->s_addr == 0) return NULL; - for (snp = smack_netlbladdrs; snp != NULL; snp = snp->smk_next) { + rcu_read_lock(); + list_for_each_entry_rcu(snp, &smk_netlbladdr_list, list) { /* * we break after finding the first match because * the list is sorted from longest to shortest mask @@ -1516,10 +1517,11 @@ static char *smack_host_label(struct sockaddr_in *sip) */ if ((&snp->smk_host.sin_addr)->s_addr == (siap->s_addr & (&snp->smk_mask)->s_addr)) { + rcu_read_unlock(); return snp->smk_label; } } - + rcu_read_unlock(); return NULL; } @@ -2930,6 +2932,17 @@ struct security_operations smack_ops = { .release_secctx = smack_release_secctx, }; + +static __init void init_smack_know_list(void) +{ + list_add(&smack_known_huh.list, &smack_known_list); + list_add(&smack_known_hat.list, &smack_known_list); + list_add(&smack_known_star.list, &smack_known_list); + list_add(&smack_known_floor.list, &smack_known_list); + list_add(&smack_known_invalid.list, &smack_known_list); + list_add(&smack_known_web.list, &smack_known_list); +} + /** * smack_init - initialize the smack system * @@ -2950,6 +2963,8 @@ static __init int smack_init(void) cred = (struct cred *) current->cred; cred->security = &smack_known_floor.smk_known; + /* initilize the smack_know_list */ + init_smack_know_list(); /* * Initialize locks */ |